def add(a, b):
    print(f"ADDING {a} + {b}")
    return a + b


def subtract(a, b):
    print(f"SUBTRACT {a} - {b}")
    return a - b


def multiply(a, b):
    print(f"MULTIPLYING {a} * {b}")
    return a * b


def divide(a, b):
    print(f"DIVIDING {a} / {b}")
    return a / b


age = add(12, 13)
height = subtract(78, 8)
weight = multiply(90, 2)
iq = divide(100, 2)

print(f"Age = {age}, height = {height}, weight = {weight}, iq = {iq}")

what = add(age, subtract(height, multiply(weight, divide(iq, 2))))

print("That become: ", what)

print("请输入: > ", end='')
print(float(input()))